condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.017982933333333333 0.0 0.0539488 12 h after light 0.017728900000000002 0.0 0.0531867 4 h after dark 0.01658633333333333 0.0 0.049759 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0638225 0.0 0.180477